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hzuapps#90 hzuapps#67 Lab4
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@hzukondy
hzukondy committed Apr 27, 2016
1 parent a4e7181 commit 69ad300
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156 changes: 133 additions & 23 deletions ...in/java/edu/hzuapps/androidworks/homeworks/com1314080901128/Com1314080901128Activity.java
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Original file line number Diff line number Diff line change
@@ -1,41 +1,151 @@
package edu.hzuapps.androidworks.homeworks.com1314080901128;
package com.edu.hzu.liaotian;


import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;


import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.os.Handler;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import edu.hzuapps.androidworks.R;
import edu.hzuapps.androidworks.homeworks.BackActivity;
import com.edu.hzu.liaotian.R;

public class Com1314080901128ctivity extends BackActivity {
public class MainActivity extends Activity implements OnClickListener{
EditText et_tony_message;
Button but_tony_send;

EditText et_hill_message;
Button but_hill_send;

ListView lv_message;
List<Message> list;
MessageAdapter adapter;
Handler handler=new Handler();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_com1314080901128);

Button closeBtn = (Button) findViewById(R.id.button_close);
closeBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
}
});
setContentView(R.layout.activity_main);
init();
}

@Override
protected void onStart() {
super.onStart();
private void init() {
et_tony_message=(EditText) findViewById(R.id.et_tony_message);
but_tony_send=(Button) findViewById(R.id.but_tony_send);
but_tony_send.setOnClickListener(this);

et_hill_message=(EditText) findViewById(R.id.et_hill_message);
but_hill_send=(Button) findViewById(R.id.but_hill_send);
but_hill_send.setOnClickListener(this);

list=new ArrayList<Message>();
lv_message=(ListView) findViewById(R.id.lv_message);
adapter=new MessageAdapter();
lv_message.setAdapter(adapter);
}


@Override
protected void onPause() {
super.onPause();
public void onClick(View v) {

if(v==but_tony_send){

if(et_tony_message.getText()==null||et_tony_message.getText().toString().equals("")){
Toast.makeText(this, "",Toast.LENGTH_LONG).show();
return ;
}
Message m=new Message();
m.setFrom_username("Tony");
m.setCreate_time(System.currentTimeMillis());
m.setText(et_tony_message.getText().toString());
sendMessage(m);
et_tony_message.setText("");
}

if(v==but_hill_send){

if(et_hill_message.getText()==null||et_hill_message.getText().toString().equals("")){
Toast.makeText(this, "", Toast.LENGTH_LONG).show();
return ;
}
Message m=new Message();
m.setFrom_username("Hill");
m.setCreate_time(System.currentTimeMillis());
m.setText(et_hill_message.getText().toString());
sendMessage(m);
et_hill_message.setText("");
}
}
private void sendMessage(Message m) {
list.add(m);
adapter.notifyDataSetChanged();
// lv_message.f
lv_message.setSelection(list.size()+1);
}
class MessageAdapter extends BaseAdapter{

@Override
protected void onStop() {
super.onStop();
@Override
public int getCount() {
return list.size();
}

@Override
public Object getItem(int position) {
return list.get(position);
}

@Override
public long getItemId(int position) {
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
Message message=list.get(position);
ViewHolder viewHolder=null;
// if(convertView==null){
if("Tony".equalsIgnoreCase(message.getFrom_username())){
convertView=parent.inflate(MainActivity.this, R.layout.list_message_item_left, null);
}else{
convertView=parent.inflate(MainActivity.this, R.layout.list_message_item_right, null);
}
viewHolder=new ViewHolder();
viewHolder.iv_userhead=(ImageView) convertView.findViewById(R.id.iv_userhead);
viewHolder.tv_chatcontent=(TextView) convertView.findViewById(R.id.tv_chatcontent);
viewHolder.tv_sendtime=(TextView) convertView.findViewById(R.id.tv_sendtime);
viewHolder.tv_username=(TextView) convertView.findViewById(R.id.tv_username);
// convertView.setTag(viewHolder);
// }else{
// viewHolder=(ViewHolder) convertView.getTag();
// }

viewHolder.tv_chatcontent.setText(message.getText());
viewHolder.tv_sendtime.setText(new SimpleDateFormat("HH:mm:ss").format(new Date(message.getCreate_time())));
viewHolder.tv_username.setText(message.getFrom_username());
return convertView;
}
class ViewHolder{
public ImageView iv_userhead;
public TextView tv_username;
public TextView tv_chatcontent;
public TextView tv_sendtime;
}
}
}
}
85 changes: 54 additions & 31 deletions app/src/main/res/layout/activity_com1314080901128.xml
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Original file line number Diff line number Diff line change
@@ -1,32 +1,55 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="6dp">

<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content">

<ImageView
android:id="@+id/iv_userhead"
android:layout_width="40dp"
android:layout_height="40dp"
android:background="@drawable/com1314080901128image_t"
android:focusable="false"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true" />


<TextView
android:id="@+id/tv_chatcontent"
android:layout_toRightOf="@id/iv_userhead"
android:layout_marginLeft="10dp"
android:layout_marginRight="40dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/com1314080901128images_b"/>
</RelativeLayout>

</LinearLayout>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
tools:context=".MainActivity" >
<ListView
android:id="@+id/lv_message"
android:layout_height="fill_parent"
android:layout_width="fill_parent"
android:layout_above="@+id/ll_send_1"
android:scrollbars="none"
android:divider="@null"
android:footerDividersEnabled="false">
</ListView>
<LinearLayout
android:id="@+id/ll_send_1"
android:layout_height="50dp"
android:layout_width="fill_parent"
android:orientation="horizontal"
android:layout_above="@+id/ll_send_2">
<EditText
android:id="@+id/et_tony_message"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="3"
android:hint="Tony请输入"/>
<Button
android:id="@+id/but_tony_send"
android:layout_height="fill_parent"
android:layout_width="0dp"
android:layout_weight="1"
android:text="send"/>
</LinearLayout>
<LinearLayout
android:id="@+id/ll_send_2"
android:layout_height="50dp"
android:layout_width="fill_parent"
android:orientation="horizontal"
android:layout_alignParentBottom="true">
<EditText
android:id="@+id/et_hill_message"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="3"
android:hint="Hill请输入"/>
<Button
android:id="@+id/but_hill_send"
android:layout_height="fill_parent"
android:layout_width="0dp"
android:layout_weight="1"
android:text="send"/>
</LinearLayout>
</RelativeLayout>

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